Sure, let's analyze the text for grammar errors and provide feedback: "unday" should be "Sunday" (capitalization error). "it was late glorious October outside" could be revised for clarity and coherence. "with fluffy, curly white clouds in it looked light-minded" seems awkwardly structured and could be clearer. "as if all the gruesome and sad miseries of unhappy people living under it were none of its business but its own" could be rephrased for better readability and coherence. "I put on my beige warm sweater of large viscous" - "of large viscous" seems unclear. It could be revised for clarity. "and went outside and went outside, oh, went outside." - Repetition of "went outside" could be corrected for better flow. Here's the revised text: "Sunday was a marvelous, uplifting day, perfect for our usual slow and cozy strolls around the picturesque autumn park. It was late October, glorious in its autumn hues, with the whole town covered in yellow, red, brown, and crimson crispy leaves. The blue sky, adorned with fluffy, curly white clouds, seemed carefree, as if the burdens of unhappy people beneath it were none of its concern. I slipped into my beige, warm sweater, and pushed open the old, ragged door of my tiny apartment, stepping outside."